Given what we know, we can confirm that the cell theory states that all cells come from preexisting cells despite the cells in a multicellular organism being so different from one another due to cellular differentiation.
<h3>What do we know about cellular differentiation?</h3>
- Cellular differentiation involves the selective expression of DNA.
- When only specific parts of the DNA sequence are expressed, and thus only specific proteins are formed, a cell can differentiate.
- This allows the cells to specialize themselves despite all of them containing the same DNA.
- Over time, this has allowed all cells, despite sharing a common origin, to become vastly different.
Therefore, given that cellular differentiation controls what genes of a cell are expressed in order to allow the cell to specialize itself into a specific cell type, this explains why even though all cells share a common origin, they can all be very distinct.
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The answer is OD
creating wildlife management areas for the traded species
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<span>Various insects have a marvelous capacity to protect themselves by simulating the appearance of twigs and other objects in their environment.
we know how to protect ourselves in this environment and we have the ability and capacity to do this. like us various insects also have capacity to protect themselves. There are also some other species who have capacity to protect themselves but everyone have their own way and method to do so.</span>
Answer:
The correct answer is- Nirenberg and Heinrich, 1961.
Explanation:
Experiments by Marshall Nirenberg and Heinrich Matthaei in 1961, began to decipher genetic codes and state about the 64 triplet codons in the genetic code by using mRNA from DNA to translate into specific amino acids in our biological system.
Their experiment helps to decode or crack the code of DNA by establishing the first codon out of 64 triplet codes which are UUU codes for phenylalanine. In the future, the same approach is used to find other amino acids.
Should be A. Species have changed over time.
